Reviewed by Andrew, 4WD Suspension fitment team
Tough Dog front struts for the Isuzu MU-X (August 2014 - July 2021), supporting up to 40mm of lift. Sold as a pair, strut only - re-use your coils and strut tops or add Tough Dog raised coils. Foam Cell (FC404200) or 9-position Adjustable (BM404200).
These are bare strut cartridges for the Isuzu MU-X 2014-2021 – the damper only, for vehicles where the existing coils and strut tops are staying. If your coils are original or sagging, look at the assembled option instead so the whole corner goes back together fresh.
The Foam Cell is Tough Dog's twin-tube workhorse: a microcellular foam insert takes the place of the usual air gap inside the shock body, so the oil can't foam up as heat builds and the damping stays consistent on long corrugated stretches. The 40mm Adjustable adds 9-stage adjustable valving – run it softer for unloaded around-town driving, then firm it up when the vehicle is loaded for touring, without taking anything apart.
Sold as a pair. Strut replacement disturbs the front geometry, so a wheel alignment afterwards is part of the job.
Doing the whole vehicle at once? We also stock the matching rear Coil Springs and rear Shocks for the Isuzu MU-X 2014-2021.
Want them ready-built? See the assembled struts.
| Make | Model | Years | Position |
|---|---|---|---|
| Isuzu | MU-X | August 2014 - July 2021 | Front |
Last updated: 27 August 2026
Genuine Tough Dog suspension from an authorised Australian dealer.
New to D-MAX and MU-X suspension? Read our D-MAX and MU-X suspension problems guide.
These suit the following applications: Isuzu MU-X August 2014 - July 2021 Front. Check your build date and variant against the fitment table on this page – if you're not certain, contact us with your rego or VIN details and we'll confirm fitment before you order.
Foam Cell is the all-round choice for touring – the foam insert stops the oil aerating so damping stays consistent on corrugations. Step up to the 9-stage Adjustable if the vehicle swings between unloaded weekdays and loaded trips and you want to tune the damping to match, or to the bigger-bore options if it works hard, hot and heavy most of the time.
The listed price covers both sides – always replace left and right together so the axle is evenly damped and sprung. Book a wheel alignment straight after fitting: any change to the front end moves camber and castor enough to affect steering and tyre wear.
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